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Resistance of a ferromagnetic material to demagnetization by an external magnetic field
Coercivity, also called the magnetic coercivity, coercive field or coercive force, is a measure of the ability of a ferromagnetic material to withstand
Coercivity
Mathematical function
as above is coercive. If A : H → H {\displaystyle A:H\to H} is a coercive operator then it is a coercive mapping (in the sense of coercivity of a vector
Coercive_function
ISO standard
revised by Part 2. "Part 6": Magnetic stripe — High coercivity "Part 7": Magnetic stripe — High coercivity, high density Allows capacity 10 times that of a
ISO/IEC_7811
Ferrimagnetic ceramic material
groups based on their magnetic coercivity, their resistance to being demagnetized: "Hard" ferrites have high coercivity, so are difficult to demagnetize
Ferrite_(magnet)
Strongest type of permanent magnet from an alloy of neodymium, iron and boron
the coercivity along with the magnetic energy density (BHmax) decreases as temperature increases. Neodymium-iron-boron magnets have high coercivity at
Neodymium_magnet
Strong permanent magnet made from an alloy of a rare-earth element and cobalt
wall configuration. In such materials, the coercivity is controlled by nucleation. To obtain much coercivity, impurity control is critical in the fabrication
Samarium–cobalt_magnet
Aspect of personal relationships
offense for controlling or coercive behavior in an intimate or family relationship. For the purposes of this offense, the coercive behavior must have been
Controlling behavior in relationships
Controlling_behavior_in_relationships
Application of an external magnetic field to a ferromagnet
applications, hard magnets (high coercivity) like iron are desirable so the memory is not easily erased. Soft magnets (low coercivity) are used as cores in transformers
Magnetic_hysteresis
Type of monopoly
In economics and business ethics, a coercive monopoly is a firm that is able to raise prices and make production decisions without the risk that competition
Coercive_monopoly
Object that has a magnetic field
threshold depends on coercivity of the respective material. "Hard" materials have high coercivity, whereas "soft" materials have low coercivity. The overall strength
Magnet
Series of punitive laws passed by the British Parliament in 1774
The Intolerable Acts, sometimes referred to as the Insufferable Acts or Coercive Acts, were a series of five punitive laws passed by the British Parliament
Intolerable_Acts
Systematic coercive persuasion
"modernizing" one's way of thinking. The term was later used to describe the coercive persuasion used under the Maoist government in China, which aimed to transform
Brainwashing
Mechanism by which materials form into and are attracted to magnets
annealed iron) having low coercivity, which do not tend to stay magnetized, and magnetically "hard" materials having high coercivity, which do. Permanent magnets
Ferromagnetism
Magnetic core on which the windings of electric transformers and inductors are formed
compounds. They have a low coercivity and are called "soft ferrites" to distinguish them from "hard ferrites", which have a high coercivity and are used to make
Ferrite_core
Forcing involuntary behavior in another
Nagel, and Ronald Dworkin consider whether governments are inherently coercive. In 1919, Max Weber, building on the view of Rudolf von Ihering, defined
Coercion
Ownership of people as property
Slavery is the ownership of a person as property, especially in regard to their labour. It is an economic phenomenon and its history resides in economic
Slavery
Magnetization left behind in a material
technology and to the acquisition of natural remanent magnetization in rocks. Coercivity Hysteresis Rock magnetism Thermoremanent magnetization Viscous remanent
Remanence
Family of iron alloys
in Japan discovered that an alloy of iron, nickel, and aluminum had a coercivity of 400 oersteds (32 kA/m), double that of the best magnet steels of the
Alnico
Coercivity is a measure of the external magnetic flux required to magnetize the tape, and an indicator of the necessary bias level. The coercivity of
Compact Cassette tape types and formulations
Compact_Cassette_tape_types_and_formulations
Common iron oxide mineral
temperature-dependent magnetic coercivity values ranging from 289 to 5,027 oersteds (23–400 kA/m). The origin of these high coercivity values has been interpreted
Hematite
Form of logic
Coercive logic is a concept popularized by mathematician Raymond Smullyan, in which a person who has agreed to answer a question truthfully is forced to
Coercive_logic
Paraphilia in which a subject derives gratification from inflicting pain
non-consenting person or if the urges cause significant distress to the individual. Coercive sexual sadism disorder is the term used by the current version of the International
Sexual_sadism_disorder
Dependence of the state of a system on its history
the other hand, magnetically soft (low coercivity) iron is used for the cores in electromagnets. The low coercivity minimizes the energy loss associated
Hysteresis
Type of sexual assault involving sexual intercourse without consent
they term rape a form of sexual violence. The CDC lists other acts of coercive, non-consensual sexual activity that may or may not include rape, including
Rape
Bar made from iron or steel, which is placed across the poles of a permanent magnet
magnetic circuit; it is important for magnets that have low magnetic coercivity, such as alnico magnets (0.07T). Keepers also have a useful safety function
Magnet_keeper
Magnet in the shape of a horseshoe
demagnetization over time. This is due to coercivity also known as the "staying magnetized" ability of a given magnet. Coercivity is weaker in disc or ring shapes
Horseshoe_magnet
Criminal scheme of recurrent extortion
racketeering is a type of organized crime in which the perpetrators set up a coercive, fraudulent, extortionary, or otherwise illegal coordinated scheme or operation
Racketeering
Nickel–iron alloy with high magnetic permeability
characterized by high permeability and low coercivity. Due to its high magnetic permeability and low coercivity, Permalloy is often used in applications
Permalloy
Academic publishing practice
Coercive citation is an academic publishing practice in which an editor or referee of a scientific or academic journal forces an author to add spurious
Coercive_citation
Type of electric motor
significantly above room temperature, as well as very high remanence, coercivity, and energy product which allow it excellent performance in permanent
Permanent_magnet_motor
Policy of food confiscation and redistribution in the early Soviet Union
Prodrazverstka, also transliterated prodrazvyorstka (Russian: продразвёрстка [prədrɐˈzvʲɵrstkə], short for продовольственная развёрстка, lit. 'food apportionment')
Prodrazverstka
Domestic violence within lesbian relationships is a pattern of violent and coercive behavior in a female same-sex relationship wherein a woman seeks to control
Domestic violence in lesbian relationships
Domestic_violence_in_lesbian_relationships
Program of systematic torture by the US government
him, that hurt his health. It was abusive and uncalled for. And coercive. Clearly coercive. It was that medical impact that pushed me over the edge [i.e
Enhanced interrogation techniques
Enhanced_interrogation_techniques
Bistable permanent magnet
consists of two sections, one of "hard" (high coercivity) magnetic material and one of "soft" (low coercivity) material. The direction of magnetization in
Electropermanent_magnet
for making magnets. Cunife has a magnetic coercivity of several hundred oersteds. Unlike most high coercivity magnetic materials which are hard and brittle
Cunife
magnetic coercivity and behaves as a "hard" layer, while the other is free (unpinned) and behaves as a "soft" layer. Due to the difference in coercivity, the
Spin_valve
Trait that determines an organism's sexually reproductive function
gestation). Because of their motility, animal sexual behavior can involve coercive sex. Traumatic insemination, for example, is used by some insect species
Biological_sex
Sexual coercion among non-human animals
males. Males of many species simply grab the females and force a mating. Coercive mating is very common in water striders (Gerridae) because in most of the
Sexual_coercion_among_animals
Magnetic metal powder, alternative to permalloy
magnetic permeability (up to 140 000)[clarification needed], low loss, low coercivity (5 A/m) good temperature stability and saturation flux density up to 1
Sendust
Magnetic disk drive recording technology
related to the magnetic coercivity of the material. The larger the magnetic region is and the higher the magnetic coercivity of the material, the more
Perpendicular_recording
Magnetic storage technology
sizes the magnetic medium must be made of a material with a very high coercivity (ability to maintain its magnetic domains and withstand any undesired
Heat-assisted magnetic recording
Heat-assisted_magnetic_recording
Storage density for magnetic disks
encoding. Such characteristics include modulation method, track width, coercivity, and magnetic field direction. Single density (SD or 1D) describes the
Disk_density
Emperor of Japan from 1926 to 1989
conveyed incontestable prestige and by issuing imperial rescripts that had coercive power greater than law. [¶] In the postwar era, the Japanese Government
Hirohito
Leader of the Soviet Union from 1922 to 1924
involved the nationalisation of industry, centralized distribution of output, coercive or forced requisition of agricultural production, and attempts to eliminate
Vladimir_Lenin
Magnetic effect
result is that the magnetic coercivity of the outside shell is much larger than that of the inner core. This high coercivity outer shell will retain an
Wiegand_effect
Forced replacement of one government with another
Regime change is the partly forcible or coercive replacement of one government regime with another. It is typically understood as a violation of the sovereignty
Regime_change
British politician (born 1980)
politics in a 2022 article for The Times, arguing that, "Exemplified by coercive control, the imposition of views, the shutting down of debate, the end
Kemi_Badenoch
Cobalt-iron alloy
the highest of any commercially available metal. Coupled with its low coercivity and core losses, its high saturation and permeability makes Permendur
Permendur
Improved version of VHS
cassettes. These have a different oxide media formulation for higher magnetic coercivity. S-VHS video cassettes are sensed and identified by the video cassette
S-VHS
Type of paraphilia
is considered to be a form of sexual sadism. Under the name paraphilic coercive disorder, this diagnosis was proposed for inclusion in the Diagnostic and
Biastophilia
Type of contract between two parties
A standard form contract (sometimes referred to as a contract of adhesion, a leonine contract, a take-it-or-leave-it contract, or a boilerplate contract)
Standard_form_contract
In United States federal government finance, coercive deficiency is a process by which budget holders can allow themselves to run out of money prior to
Coercive_deficiency
Transfer of content between magnetic tape layers
which a high-coercivity metal mother master tape was brought into direct contact with a chromium dioxide copy (slave) tape. The coercivity of the mother
Print-through
Anti-cult organization
FACTnet, also known as Fight Against Coercive Tactics Network, co-founded by Robert Penny and Lawrence Wollersheim, was a Colorado-based anti-cult organization
FACTNet
Personality construct
associated with psychopathy such as early, promiscuous, adulterous, and coercive sexuality may increase reproductive success. Robert Hare has stated that
Psychopathy
2011 U.S. military operation in Abbottabad, Pakistan
true relationship to Osama bin Laden—was obtained through standard, non-coercive means, not through any 'enhanced interrogation technique.' — John McCain
Killing_of_Osama_bin_Laden
Technique that improves the fidelity of analogue tape recorders
recording, magnetic tape has a nonlinear response as determined by its coercivity. Without bias, this response results in poor performance, especially at
Tape_bias
Sexual practice
harm to self or others from harmful violence on non‐consenting persons (coercive sexual sadism disorder). In this regard, "ICD-11 go[es] further than the
Sadomasochism
Adoption of a different religion or irreligion under duress
relationship is far from simple. But religion has frequently been used in a coercive manner, and it has also used coercion. People may express their faith through
Forced_conversion
Indian mystic (1931–1990)
sexual acts and required her to swallow semen, which she described as coercive and humiliating. Women were reportedly expected to remain silent about
Rajneesh
Nickel-iron alloy with high magnetic permeability
it has low magnetic anisotropy and magnetostriction, giving it a low coercivity so that it saturates at low magnetic fields. This gives it low hysteresis
Mu-metal
in Poland is legal, but operating brothels or other forms of pimping or coercive prostitution and prostitution of minors are prohibited. The travelling
Prostitution_in_Poland
Kidnapping people to serve as sailors
or crimping is the practice of kidnapping people to serve as sailors by coercive techniques such as trickery, intimidation, or violence. Those engaged in
Shanghaiing
Country in Eurasia from 1922 to 1991
involved the nationalization of industry, centralized distribution of output, coercive or forced requisition of agricultural production, and attempts to eliminate
Soviet_Union
Method for numerical differential equations
inspired by G. Strang's second lemma, holds and defining: which measures the coercivity (discrete Poincaré constant), which measures the interpolation error,
Gradient discretisation method
Gradient_discretisation_method
Effort to improve purported human genetic quality
and counselling have become common, and new or liberal eugenics rejects coercive programmes in favour of individual parental choice. Eugenic programmes
Eugenics
Approach in diplomacy and politics
has been used pejoratively to imply policies that are perceived as being coercive, amoral, or Machiavellian. Prominent proponents of Realpolitik include
Realpolitik
Phenomenon in ferromagnetism
hysteresis curve of ferromagnetic materials. Ferromagnetic materials with high coercivity often have more of these defects, so they produce more Barkhausen noise
Barkhausen_effect
Group of related people
some countries, involved in controlling the size of families, often using coercive methods, such as bans on contraception or abortion (where the policy is
Family
Sexual health business
OneTaste Incorporated, currently operating as The Institute of OM, is a business sponsoring seminars, classes, workshops, lectures, and discussion groups
OneTaste
Medical condition
such as mixed dissociative symptoms or identity disturbance following coercive persuasion. A diagnosis of unspecified dissociative disorder is given when
Other and unspecified dissociative disorders
Other_and_unspecified_dissociative_disorders
Naturally magnetized mineral
does not tend to become magnetized itself; it has too low a magnetic coercivity, or resistance to magnetization or demagnetization. Microscopic examination
Lodestone
Study and taxonomy of types of power
separate and distinct forms. They identified those five bases of power as coercive, reward, legitimate, referent, and expert. This was followed by Raven's
French and Raven's bases of power
French_and_Raven's_bases_of_power
high relative magnetic permeability (approximately 800000), and a low coercivity. Supermalloy is used in manufacturing components for radio engineering
Supermalloy
Similarity between organizations
encourages imitation, and similar to coercive isomorphism, where organizations are forced to change by external forces. Coercive isomorphic change involves pressures
Isomorphism_(sociology)
English novelist and poet (1819–1880)
argued in 2013 and 2017 that Lewes's protective love may have amounted to coercive control. Ashton, Rosemary (1996). George Eliot: A Life. London: Hamish
George_Eliot
Functional analysis theorem
a continuous, bilinear function. Then the following are equivalent: (coercivity) for some constant c > 0, [citation needed] inf ‖ v ‖ V = 1 sup ‖ h ‖
Lions–Lax–Milgram_theorem
Forced termination of pregnancy
Forced abortion is a form of reproductive coercion that refers to the act of compelling a woman to undergo termination of a pregnancy against her will
Forced_abortion
Emirati royal and politician (born 1949)
take the FEI World Endurance Championship. He has been found guilty of coercive and abusive behaviour towards his wife and children and was subject to
Mohammed bin Rashid Al Maktoum
Mohammed_bin_Rashid_Al_Maktoum
Ethnic group
Slovakia. Germany, Norway, Sweden and Switzerland "all have histories of coercive sterilization of minorities and other groups". The traditional Romanis
Romani_people
Hungarian-American psychiatrist and activist (1920–2012)
his career that he was not anti-psychiatry but rather that he opposed coercive psychiatry. He was a staunch opponent of civil commitment and involuntary
Thomas_Szasz
Concept in Marxism
exist as society will be able to govern itself without the state and its coercive enforcement of the law. The phrase stems from Friedrich Engels, who wrote
Withering_away_of_the_state
Jewish nationalist movement
impose Zionism's minimum requirements, Jabotinsky's practical proposal for coercive pedagogy quickly filled the void that was Zionism's official policy on
Zionism
System of tribunals enforcing Catholic doctrine
cases involved relationships between an older man and an adolescent, often coercive, with few involving consenting homosexual adults. About 100 cases alleged
Spanish_Inquisition
Famine in British India during World War II
modestly to local scarcities. However, evidence that fraudulent, corrupt and coercive practices by the purchasing agents removed far more rice than officially
Bengal_famine_of_1943
Political, economic or military predominance of one state over other states
century. A hegemon may shape the international system through coercive and non-coercive means. According to Nuno Monteiro, hegemony is distinct from unipolarity
Hegemony
Form in which people experience and express themselves sexually
and restrictive. The law is often slow to intervene in certain forms of coercive behavior that can limit individuals' control over their own sexuality (such
Human_sexuality
Financial penalties applied by nations
marked as the first International Day Against Unilateral Coercive Measures. Unilateral coercive measures often lead to over-compliance, with economic actors
Economic_sanctions
Former population control policy in China
Though the central government called for an end to what was described as "coercive commandism," but the results still remained like the past and carried on
One-child_policy
An exchange spring magnet is a magnetic material with high coercivity and high saturation properties derived from the exchange interaction between a hard
Exchange_spring_magnet
Multiple states under one central authority, usually created by conquest
territorial empire of direct conquest and control by force or (ii) as a coercive, hegemonic empire of indirect control. The former method provides greater
Empire
Alliance of three Nahua city states in Mexico (1428–1521)
supervised the tribute collection by the above officials and relied upon the coercive power of the Aztec military, but also upon the cooperation of the pipiltin
Aztec_Empire
Enchantress in the Arthurian legend
(2013). When Family and Politics Mix: Female Agency, Mixed Spaces, and Coercive Kinship in Sir Gawain and the Green Knight, The Awntyrs off Arthure at
Morgan_le_Fay
Indian politician (born 1987)
May 2026. "Calcutta High Court Protects TMC MP Abhishek Banerjee From Coercive Steps In MLA Sign Forgery Case, Asks Him To Appear Before CID". Live Law
Abhishek Banerjee (politician)
Abhishek_Banerjee_(politician)
Topics referred to by the same term
a subfield of condensed matter Magnetically soft, material with low coercivity soft water, which has low mineral content Soft skills, a person's people
Soft
American journalist and author (born 1981)
University of California, Berkeley, in 2013. Her dissertation, titled Coercive Pleasures: The Force and Form of the Novel 1719–1740, examined among other
Batya_Ungar-Sargon
Leader of a tribal society or chiefdom
in many cases depends on consensus and customary legitimacy rather than coercive power. In anthropology, terms such as tribe, chief, and chiefdom have been
Tribal_chief
English footballer (born 2001)
attempted rape, assault occasioning actual bodily harm, and controlling and coercive behaviour. In February 2023, all charges against him were dropped. In August
Mason_Greenwood
American sobriety-focused mutual help fellowship
fees required. These traditions foster an altruistic, unaffiliated, non-coercive, and non-hierarchical organization, limiting AA's mission to helping alcoholics
Alcoholics_Anonymous
2025 Chinese TV series or program
Prince Ning. Willful, capricious and intensely jealous, she often uses coercive means to obtain what she wants. She loves Liu Chang but her father forces
Flourished_Peony
COERCIVITY
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Biblical
house of grace
Boy/Male
Indian, Telugu
Permanent
Biblical
a parable; governing
Boy/Male
Tamil
Madeshwaran | மாஂதேஷà¯à®µà®°à®£Â
Girl/Female
Arabic, Muslim, Sindhi
Comely
Boy/Male
Gujarati, Hindu, Indian, Kannada
Hard Working
Boy/Male
Biblical
Prevention; or prayer; of God.
Boy/Male
Muslim/Islamic
Capable
Girl/Female
Indian
Girl/Female
Hindu
Perfume, Fragrance
COERCIVITY
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COERCIVITY